(please help!) Chimpanzees, chickens, cows, and human beings all share a gene for an insulin hormone. What does this suggest? (1 point) a. This suggests that none of these species share a common ancestor.

b. This suggests that all of these species share a common ancestor.

c. This suggests that two of these species share a common ancestor.

d. This suggests that three of these species share a common ancestor.

thinking it would be d not too sure but i think it's right

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

answers are:

lysogenic     viral dna merges with host cell dna

lysogenic     no symptoms

lytic               viral dna takes over

lysogenic     virus does not destroy host cell

lytic               virus destroys host cell

lytic               induces symptoms of viral infection

lysogenic       cell reproduces and spreads provirus